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1.
Vaccine ; 40(33): 4889-4896, 2022 08 05.
Article in English | MEDLINE | ID: mdl-35810058

ABSTRACT

BACKGROUND: During the COVID-19 pandemic, the number of hepatitis B virus (HBV) vaccinations among men who have sex with men (MSM) has been considerably lower than before the pandemic. Moreover, less frequent HBV testing and a reduction in numbers of sex partners have been reported. We assessed the impact of these COVID-19-related changes on HBV transmission among MSM in the Netherlands. METHODS: We estimated the changes in sexual activity, HBV testing, and HBV vaccination among MSM during the pandemic from Dutch data. We used a deterministic compartmental model and investigated scenarios with small or large declines in sexual activity, testing, and vaccination for the current phase of the pandemic (without available data). We examined the increase in HBV vaccinations needed to prevent further increase in HBV incidence. RESULTS: With a decrease in numbers of sex partners of 15-25% during the first lockdown and 5% during the second lockdown, we found a decline of 6.6% in HBV incidence in 2020, despite a >70% reduction in HBV testing and vaccination during the first lockdown. With numbers of sex partners rebounding close to pre-pandemic level in 2021, and a reduction of 15% in testing and 30% in vaccination in 2021, we found an increase of 1.4% in incidence in 2021 and 3.1% in 2026. With these changes, an increase of ≥60% in HBV vaccinations in 2022 would be needed to bring the HBV incidence in 2023 back to the level that it would have had if the COVID-19-related changes had not occurred. CONCLUSIONS: Despite reductions in sexual activity during the COVID-19 pandemic, the decrease in HBV vaccinations may result in a small increase in HBV incidence after 2021, which may persist for years. It is important to restore the vaccination level and limit further increase in HBV transmission among MSM.


Subject(s)
COVID-19 , HIV Infections , Hepatitis B , Sexual and Gender Minorities , COVID-19/epidemiology , COVID-19/prevention & control , Communicable Disease Control , HIV Infections/epidemiology , Hepatitis B/epidemiology , Hepatitis B/prevention & control , Hepatitis B virus , Homosexuality, Male , Humans , Male , Pandemics , Sexual Behavior , Vaccination
3.
Euro Surveill ; 23(23)2018 06.
Article in English | MEDLINE | ID: mdl-29897040

ABSTRACT

Since 2015, outbreaks of hepatitis A among men who have sex with men (MSM) have been reported worldwide. To examine the impact of these MSM outbreaks in the Netherlands, we combined notification and epidemiological data with sequence analysis. Our results show the hazards of outbreaks within risk-groups spilling over into the largely susceptible general population. One third of the outbreak-related hepatitis A virus genotypes were detected in non-MSM cases.


Subject(s)
Disease Outbreaks/statistics & numerical data , Hepatitis A Virus, Human/genetics , Hepatitis A/epidemiology , Homosexuality, Male/statistics & numerical data , Adolescent , Adult , Aged , Child , Child, Preschool , DNA, Viral/genetics , Disease Notification/statistics & numerical data , Female , HIV Infections/epidemiology , Hepatitis A/diagnosis , Hepatitis A/transmission , Hepatitis A Virus, Human/classification , Hepatitis A Virus, Human/isolation & purification , Humans , Incidence , Infant , Male , Middle Aged , Netherlands/epidemiology , Sequence Analysis, DNA , Seroepidemiologic Studies , Young Adult
4.
Infect Control Hosp Epidemiol ; 33(10): 1017-23, 2012 Oct.
Article in English | MEDLINE | ID: mdl-22961021

ABSTRACT

OBJECTIVE: Healthcare providers and other employees, especially those who do not work in a hospital, may not easily find help after the occurrence of a blood exposure accident. In 2006, a national call center was established in The Netherlands to fill this gap. METHODS: All occupational blood exposure accidents reported to the 24-hours-per-day, 7-days-per-week call center from 2007, 2008, and 2009 were analyzed retrospectively for incidence rates, risk assessment, handling, and preventive measures taken. RESULTS: A total of 2,927 accidents were reported. The highest incidence rates were reported for private clinics and hospitals (68.5 and 54.3 accidents per 1,000 person-years, respectively). Dental practices started reporting incidents frequently after the arrangement of a collective financial agreement with the call center. Employees of ambulance services, midwife practices, and private clinics reported mostly high-risk accidents, whereas penitentiaries frequently reported low-risk accidents. Employees in mental healthcare facilities, private clinics, and midwife practices reported accidents relatively late. The extent of hepatitis B vaccination in mental healthcare facilities, penitentiaries, occupational health services, and cleaning services was low (<70%). CONCLUSION: The national call center successfully organized the national registration and handling of blood exposure accidents. The risk of blood exposure accidents could be estimated on the basis of this information for several occupational branches. Targeted preventive measures for healthcare providers and other employees at risk can next be developed.


Subject(s)
Bacteremia/epidemiology , Cross Infection/epidemiology , Information Centers , Occupational Exposure/statistics & numerical data , Registries , Viremia/epidemiology , Bacteremia/prevention & control , Cross Infection/etiology , Health Facilities , Humans , Netherlands/epidemiology , Occupational Exposure/analysis , Retrospective Studies , Risk Assessment/methods , Viremia/prevention & control
5.
East Afr J Public Health ; 5(2): 49-54, 2008 Aug.
Article in English | MEDLINE | ID: mdl-19024410

ABSTRACT

OBJECTIVE: The objective of this qualitative study was to identify psychosocial correlates of HIV voluntary counselling and testing (VCT), with an emphasis on the association between fear of AIDS-related stigma and willingness to have an HIV test. METHODS: The study was executed in Limpopo Province at University of Limpopo, Polokwane, South Africa. Focus group interviews were held among 72 students, divided over 10 groups. RESULTS: Results showed that participants had different levels of knowledge about HIV/AIDS and VCT, and that AIDS was still strongly associated with 'death'. Results further demonstrate that HIV/AIDS related stigma is still a very serious problem in South Africa. Lack of HIV/AIDS related knowledge, blaming persons with HIV/AIDS for their infection, and the life-threatening character of the disease were seen as the most important determinants of AIDS-related stigma. The main benefit to go for VCT was 'knowing your HIV status', whereas main barriers for testing were 'fear of being stigmatised' and 'fear of knowing your HIV positive status'. CONCLUSION: Fear of stigmatization is an important barrier to HIV testing and has negative consequences for AIDS prevention and treatment. Interventions to reduce HIV-related stigma are needed in order to foster voluntary HIV counselling and testing in South Africa


Subject(s)
Directive Counseling , Fear/psychology , HIV Infections/psychology , Health Services Accessibility , Prejudice , Adult , Female , Focus Groups , HIV Infections/diagnosis , Health Services Needs and Demand , Humans , Male , Qualitative Research , South Africa
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